Age of oldest athlete by region
You are given the following E:R diagram:
In the previous exercise, you identified which tables are needed to create a report that shows Age of Oldest Athlete by Region. Now, set up the query to create this report.
Diese Übung ist Teil des Kurses
Reporting in SQL
Anleitung zur Übung
- Create a report that shows
region
andage_of_oldest_athlete
. - Include all three tables by running two separate
JOIN
statements. - Group by the non-aggregated field.
- Alias each table
AS
the first letter in the table (in lower case).
Interaktive Übung
Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.
-- Select the age of the oldest athlete for each region
SELECT
____,
____ AS age_of_oldest_athlete
FROM ____
-- First JOIN statement
JOIN ____
____
-- Second JOIN statement
JOIN ____
____
GROUP BY ____;